Weather on December 18
Honolulu, HI
55 Years of Data
About This Date
December 18th in Honolulu, HI typically brings pleasant winter weather, with average highs around 79°F and lows near 65°F. Over 49 years of records, the warmest December 18th was in 1987 (78°F average), while the coldest was 2018 (64°F) — a 14°F range across recorded history. Rain or other precipitation has occurred on about 31% of December 18th dates historically, with the wettest December 18th recording 2.92" of rain. The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 4.3°F cooler on this date compared to 20-30 years ago.
Planning for December 18th in Honolulu, HI? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 78° | 71° | 75° | — | — |
| 2024 | 79° | 67° | 73° | — | — |
| 2023 | 74° | 60° | 67° | — | — |
| 2022 | 67° | 61° | 64° | — | — |
| 2021 | 76° | 65° | 70° | — | — |
| 2020 | 80° | 66° | 73° | — | — |
| 2019 | 78° | 67° | 72° | — | — |
| 2018coldest | 68° | 59° | 64° | — | — |
| 2017 | 73° | 61° | 67° | — | — |
| 2016 | 74° | 63° | 68° | — | — |
| 2013 | 79° | 65° | 72° | — | — |
| 2012 | 79° | 67° | 73° | 0.1" | — |
| 2011 | 84° | 64° | 74° | — | — |
| 2010 | 80° | 70° | 75° | 1.78" | — |
| 2009 | 82° | 68° | 75° | — | — |
| 2008 | 82° | 72° | 77° | 0.1" | — |
| 2007 | 82° | 64° | 73° | — | — |
| 2005 | 82° | 74° | 78° | — | — |
| 2004 | 82° | 69° | 76° | — | — |
| 2003 | 78° | 66° | 72° | — | — |
| 2002 | 82° | 66° | 74° | 0.05" | — |
| 2001 | 81° | 64° | 72° | — | — |
| 1998 | 81° | 66° | 73° | — | — |
| 1997 | 85° | 63° | 74° | — | — |
| 1996 | 81° | 60° | 70° | — | — |
| 1995 | 81° | 66° | 73° | — | — |
| 1994 | 84° | 65° | 74° | — | — |
| 1993 | 81° | 66° | 73° | 0.25" | — |
| 1992 | 83° | 69° | 76° | 0.1" | — |
| 1991 | 82° | 69° | 76° | 1.7" | — |
| 1990 | 77° | 68° | 73° | — | — |
| 1989 | 78° | 59° | 69° | — | — |
| 1988 | 79° | 59° | 69° | 0.38" | — |
| 1987warmest | 87° | 68° | 78° | 2.92" | — |
| 1986 | 83° | 66° | 74° | — | — |
| 1985 | 81° | 64° | 72° | 0.46" | — |
| 1984 | 86° | 67° | 76° | — | — |
| 1983 | 78° | 62° | 70° | 0.33" | — |
| 1982 | 78° | 67° | 72° | — | — |
| 1981 | 87° | 65° | 76° | — | — |
| 1980 | 76° | 59° | 67° | — | — |
| 1978 | 78° | 68° | 73° | — | — |
| 1977 | 79° | 69° | 74° | 0.05" | — |
| 1976 | 72° | 65° | 68° | 0.1" | — |
| 1975 | 82° | 70° | 76° | — | — |
| 1974 | 84° | 64° | 74° | — | — |
| 1973 | 79° | 65° | 72° | — | — |
| 1972 | 76° | 68° | 72° | 0.38" | — |
| 1971 | 72° | 62° | 67° | 0.1" | — |
Honolulu, HI Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Honolulu, HI Monthly Precipitation
Average rainfall per month, in inches.
Honolulu, HI Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Honolulu, HI
Honolulu, HI has no months that meet our "pleasant" threshold — every season has tradeoffs.